159052934221 has 4 divisors (see below), whose sum is σ = 162751839712. Its totient is φ = 155354028732.

The previous prime is 159052934189. The next prime is 159052934239. The reversal of 159052934221 is 122439250951.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 122439250951 = 223 ⋅549054937.

It is a cyclic number.

It is not a de Polignac number, because 159052934221 - 2⁵ = 159052934189 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43), and also a Moran number because the ratio is a prime number: 3698905447 = 159052934221 / (1 + 5 + 9 + 0 + 5 + 2 + 9 + 3 + 4 + 2 + 2 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159052934281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1849452681 + ... + 1849452766.

It is an arithmetic number, because the mean of its divisors is an integer number (40687959928).

Almost surely, 2^159052934221 is an apocalyptic number.

It is an amenable number.

159052934221 is a deficient number, since it is larger than the sum of its proper divisors (3698905491).

159052934221 is an equidigital number, since it uses as much as digits as its factorization.

159052934221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3698905490.

The product of its (nonzero) digits is 194400, while the sum is 43.

The spelling of 159052934221 in words is "one hundred fifty-nine billion, fifty-two million, nine hundred thirty-four thousand, two hundred twenty-one".